EP4004990A4 - Structures, dispositifs et systèmes de résonateur à ondes acoustiques de volume (baw) - Google Patents

Structures, dispositifs et systèmes de résonateur à ondes acoustiques de volume (baw) Download PDF

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Publication number
EP4004990A4
EP4004990A4 EP20847470.0A EP20847470A EP4004990A4 EP 4004990 A4 EP4004990 A4 EP 4004990A4 EP 20847470 A EP20847470 A EP 20847470A EP 4004990 A4 EP4004990 A4 EP 4004990A4
Authority
EP
European Patent Office
Prior art keywords
baw
systems
devices
acoustic wave
resonator structures
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20847470.0A
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German (de)
English (en)
Other versions
EP4004990A1 (fr
Inventor
Dariusz Burak
Kevin J. Grannen
Jack LENELL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qxonix Inc
Original Assignee
Qxonix Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qxonix Inc filed Critical Qxonix Inc
Publication of EP4004990A1 publication Critical patent/EP4004990A1/fr
Publication of EP4004990A4 publication Critical patent/EP4004990A4/fr
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H03H9/171—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator implemented with thin-film techniques, i.e. of the film bulk acoustic resonator [FBAR] type
    • H03H9/172—Means for mounting on a substrate, i.e. means constituting the material interface confining the waves to a volume
    • H03H9/175—Acoustic mirrors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02244—Details of microelectro-mechanical resonators
    • H03H9/02259—Driving or detection means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
    • H03H3/04—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02015—Characteristics of piezoelectric layers, e.g. cutting angles
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02062—Details relating to the vibration mode
    • H03H9/0207—Details relating to the vibration mode the vibration mode being harmonic
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02062—Details relating to the vibration mode
    • H03H9/02078—Details relating to the vibration mode the vibration mode being overmoded
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02086—Means for compensation or elimination of undesirable effects
    • H03H9/02102—Means for compensation or elimination of undesirable effects of temperature influence
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02086—Means for compensation or elimination of undesirable effects
    • H03H9/0211—Means for compensation or elimination of undesirable effects of reflections
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02086—Means for compensation or elimination of undesirable effects
    • H03H9/02118—Means for compensation or elimination of undesirable effects of lateral leakage between adjacent resonators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02157—Dimensional parameters, e.g. ratio between two dimension parameters, length, width or thickness
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/13—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
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    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/13—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials
    • H03H9/131—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials consisting of a multilayered structure
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H03H9/171—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator implemented with thin-film techniques, i.e. of the film bulk acoustic resonator [FBAR] type
    • H03H9/172—Means for mounting on a substrate, i.e. means constituting the material interface confining the waves to a volume
    • H03H9/173—Air-gaps
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H03H9/171—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator implemented with thin-film techniques, i.e. of the film bulk acoustic resonator [FBAR] type
    • H03H9/172—Means for mounting on a substrate, i.e. means constituting the material interface confining the waves to a volume
    • H03H9/174—Membranes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/205—Constructional features of resonators consisting of piezoelectric or electrostrictive material having multiple resonators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/56—Monolithic crystal filters
    • H03H9/566—Electric coupling means therefor
    • H03H9/568—Electric coupling means therefor consisting of a ladder configuration
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/58—Multiple crystal filters
    • H03H9/582—Multiple crystal filters implemented with thin-film techniques
    • H03H9/586—Means for mounting to a substrate, i.e. means constituting the material interface confining the waves to a volume
    • H03H9/589—Acoustic mirrors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/58—Multiple crystal filters
    • H03H9/60—Electric coupling means therefor
    • H03H9/605—Electric coupling means therefor consisting of a ladder configuration
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
    • H03H2003/021—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks the resonators or networks being of the air-gap type
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
    • H03H3/04—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient
    • H03H2003/0414—Resonance frequency
    • H03H2003/0421—Modification of the thickness of an element
    • H03H2003/0428—Modification of the thickness of an element of an electrode
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H2009/02165—Tuning

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  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
EP20847470.0A 2019-07-31 2020-07-27 Structures, dispositifs et systèmes de résonateur à ondes acoustiques de volume (baw) Pending EP4004990A4 (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US201962881087P 2019-07-31 2019-07-31
US201962881091P 2019-07-31 2019-07-31
US201962881094P 2019-07-31 2019-07-31
US201962881077P 2019-07-31 2019-07-31
US201962881061P 2019-07-31 2019-07-31
US201962881074P 2019-07-31 2019-07-31
US201962881085P 2019-07-31 2019-07-31
PCT/US2020/043716 WO2021021719A1 (fr) 2019-07-31 2020-07-27 Structures, dispositifs et systèmes de résonateur à ondes acoustiques de volume (baw)

Publications (2)

Publication Number Publication Date
EP4004990A1 EP4004990A1 (fr) 2022-06-01
EP4004990A4 true EP4004990A4 (fr) 2023-08-30

Family

ID=74228365

Family Applications (4)

Application Number Title Priority Date Filing Date
EP20847975.8A Pending EP4005090A4 (fr) 2019-07-31 2020-07-27 Structures de résonateur à ondes acoustiques de volume (baw) à charge de masse, dispositifs et systèmes
EP20848167.1A Pending EP4005091A4 (fr) 2019-07-31 2020-07-27 Structures de dispositif acoustique, filtres et systèmes
EP20846873.6A Pending EP4003905A4 (fr) 2019-07-31 2020-07-27 Structures de résonateur à ondes acoustiques de volume (baw) dopées, dispositifs et systèmes
EP20847470.0A Pending EP4004990A4 (fr) 2019-07-31 2020-07-27 Structures, dispositifs et systèmes de résonateur à ondes acoustiques de volume (baw)

Family Applications Before (3)

Application Number Title Priority Date Filing Date
EP20847975.8A Pending EP4005090A4 (fr) 2019-07-31 2020-07-27 Structures de résonateur à ondes acoustiques de volume (baw) à charge de masse, dispositifs et systèmes
EP20848167.1A Pending EP4005091A4 (fr) 2019-07-31 2020-07-27 Structures de dispositif acoustique, filtres et systèmes
EP20846873.6A Pending EP4003905A4 (fr) 2019-07-31 2020-07-27 Structures de résonateur à ondes acoustiques de volume (baw) dopées, dispositifs et systèmes

Country Status (4)

Country Link
US (23) US11101783B2 (fr)
EP (4) EP4005090A4 (fr)
CN (1) CN114208031A (fr)
WO (10) WO2021021723A1 (fr)

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US12431861B2 (en) 2019-07-31 2025-09-30 Qxoniix Inc. Layers, structures, acoustic wave resonators, devices and systems
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US12451860B2 (en) 2019-07-31 2025-10-21 QXONIX Inc. Structures, acoustic wave resonators, devices and systems
US12206388B2 (en) 2020-04-22 2025-01-21 The Regents Of The University Of Michigan Bulk acoustic wave resonators employing materials with piezoelectric and negative piezoelectric coefficients
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US12362724B2 (en) * 2021-08-20 2025-07-15 Raytheon Company N-polar rare-earth III-nitride bulk acoustic wave resonator
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US12525944B2 (en) * 2022-03-31 2026-01-13 Skyworks Global Pte. Ltd. Acoustic wave device with wurtzite based piezoelectric layer with high acoustic velocity
DE102022203971A1 (de) * 2022-04-25 2023-10-26 Robert Bosch Gesellschaft mit beschränkter Haftung Volumenakustische Vorrichtung und Verfahren zum Herstellen einer volumenakustischen Vorrichtung
CN114753150B (zh) * 2022-05-12 2024-05-14 广东欣丰科技有限公司 一种导电织物及其制作方法和应用
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US12362722B2 (en) 2022-07-20 2025-07-15 Avago Technologies International Sales Pte. Limited Resonator with intrinsic second harmonic cancellation
WO2024032882A1 (fr) * 2022-08-10 2024-02-15 Huawei Technologies Co., Ltd. Dispositif de résonateur acoustique de volume à capacités de manipulation de puissance améliorées par matériau piézoélectrique à double couche
US12506459B2 (en) * 2022-09-22 2025-12-23 Rf360 Singapore Pte. Ltd. Bulk acoustic wave (BAW) device with oppositely polarized piezoelectric layers for higher order resonance and method of manufacture
US20240322790A1 (en) * 2023-03-23 2024-09-26 Carnegie Mellon University Overmoded Bulk Acoustic Resonators and Method of Fabricating
DE102023203177A1 (de) 2023-04-05 2024-10-10 Robert Bosch Gesellschaft mit beschränkter Haftung Resonator-Vorrichtung und Verfahren zum Herstellen einer Resonator-Vorrichtung
US20240372519A1 (en) * 2023-05-06 2024-11-07 AAC Technologies Pte. Ltd. Method for fabricating film bulk acoustic resonator (fbar), fbar, and filter
FI20236003A1 (en) * 2023-09-07 2025-03-08 Teknologian Tutkimuskeskus Vtt Oy Multi-layer structure and filter comprising the same
DE102023208649A1 (de) * 2023-09-07 2025-03-13 Robert Bosch Gesellschaft mit beschränkter Haftung Akustischer Resonator und Herstellungsverfahren für einen akustischen Resonator
US12603632B2 (en) * 2023-09-18 2026-04-14 Rf360 Singapore Pte. Ltd. Bulk acoustic wave devices having electrodes with acoustic impedance gradients to improve coupling efficiency and related fabrication methods
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FI20245648A1 (en) * 2024-05-22 2025-11-23 Teknologian Tutkimuskeskus Vtt Oy Thin-film BAW (Bulk Acoustic Wave) resonator and manufacturing method
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